Please use this identifier to cite or link to this item:
https://hdl.handle.net/20.500.12202/6439
Title: | Quantum vs classical dynamics in a spin-boson system: manifestations of spectral correlations and scarring. |
Authors: | Santos, Lea F. Villaseñor, David Pilatowsky-Cameo, Saúl Bastarrachea-Magnani, Miguel A. Lerma, Sergio Hirsch, Jorge G. 0000-0001-9400-2709 |
Keywords: | Dicke model classical chaos quantum chaos correlation hole scars |
Issue Date: | 30-Apr-2020 |
Publisher: | IOP Publishing ; Deutsche Physikalische Gesellschaft |
Citation: | Santos, Lea F. David Villaseñor, Saúl Pilatowsky-Cameo, Miguel A Bastarrachea-Magnani, Sergio Lerma, Jorge G Hirsch. (2020). Quantum vs classical dynamics in a spin-boson system: manifestations of spectral correlations and scarring. New Journal of Physics 22: 063036. |
Series/Report no.: | New Journal of Physics;22 |
Abstract: | We compare the entire classical and quantum evolutions of the Dicke model in its regular and chaotic domains. This is a paradigmatic interacting spin-boson model of great experimental interest. By studying the classical and quantum survival probabilities of initial coherent states, we identify features of the long-time dynamics that are purely quantum and discuss their impact on the equilibration times. We show that the ratio between the quantum and classical asymptotic values of the survival probability serves as a metric to determine the proximity to a separatrix in the regular regime and to distinguish between two manifestations of quantum chaos: scarring and ergodicity. In the case of maximal quantum ergodicity, our results are analytical and show that quantum equilibration takes longer than classical equilibration |
Description: | Research article, peer-reviewed. Open Access. |
URI: | https://doi.org/10.1088/1367-2630/ab8ef8 https://hdl.handle.net/20.500.12202/6439 |
ISSN: | 1367-2630 |
Appears in Collections: | Stern College for Women -- Faculty Publications |
Files in This Item:
File | Description | Size | Format | |
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Santos quantum v classical Villaseñor_2020_New_J._Phys._22_063036.pdf | 4.82 MB | Adobe PDF | View/Open |
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